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Can you please tell me the answer to 1.6cos(pie/0.8) in radians mode? Thank you in advance

 Jul 27, 2019
 #1
avatar+790 
+2

1.6cos(pi/0.8) = -1.1313708498992 

this may be rong i do not know how to do that!

 Jul 27, 2019
 #2
avatar+26006 
0

JUst use the calculator on this website:

cos(3.9269908169872415)*1.6 = -1.1313708498992

 Jul 27, 2019

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